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Total and partial mass attenuation coefficients of soil as a function of chemical composition

✍ Scribed by Gurmel S. Mudahar; Sanjay Modi; Singh Makhan

Publisher
Elsevier Science
Year
1991
Weight
423 KB
Volume
42
Category
Article
ISSN
0883-2889

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✦ Synopsis

The mass attenuation coefficient (p,) of soil for total and partial photon interaction processes has been calculated for five different elemental compositions of soils, in the energy range from 10 keV to 100 GeV, to study the influence of chemical composition. For the total photon interaction coefficient, appreciable variations in aS due to chemical composition (soil type) are seen only below 300 keV and above 3 MeV photon energy. For partial interaction processes significant variations in pE are seen for photoeffect, coherent scattering and pair production in the nuclear field at all energies. No significant variations were noted in pS due to soil chemical composition for incoherent scattering and pair production in the electron field. We present graphs of the variations in pr for total and partial photon interaction processes in soil due to the Z-dependences of the interaction processes.

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